2057307839 has 12 divisors (see below), whose sum is σ = 2136800952. Its totient is φ = 1980654480.

The previous prime is 2057307817. The next prime is 2057307851. The reversal of 2057307839 is 9387037502.

It is not a de Polignac number, because 2057307839 - 2²⁴ = 2040530623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057307839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057307739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183884 + ... + 194750.

It is an arithmetic number, because the mean of its divisors is an integer number (178066746).

Almost surely, 2^2057307839 is an apocalyptic number.

2057307839 is a deficient number, since it is larger than the sum of its proper divisors (79493113).

2057307839 is a wasteful number, since it uses less digits than its factorization.

2057307839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 2057307839 is about 45357.5554786631. Note that the first 3 decimals coincide. The cubic root of 2057307839 is about 1271.8417980849.

The spelling of 2057307839 in words is "two billion, fifty-seven million, three hundred seven thousand, eight hundred thirty-nine".